Attachment for firearms.



L.F.KUNZL ATTACHMENT FOR FIREARMS.

APPLICATION FILED FEB. 14, 1913.

1,072,335. Patented Sept. 2, 1913.

fig. 4.

COLUMBIA PLANCGRAPH CO.,WASHINGTON, D. c.

Louis-r. K'UNZ, or CHICAGO, ILLINOIS.

ATTACHMENT FOB. FIREARMS.

Specification of Letters Patent.

Patented se t. 2, 1913.

Application filed February 14;, 1913. Serial No. 748,431.

To all whom, it may concern Be it known that I, LOUIS F. KUNZ, a citizenof the United States, residing at Chicago, in the county of Cook andState of Illinois, have invented new and useful Tmprovements inAttachments for Firearms, of which the following is a specification.

This invention relates to an attachment for pistols or revolvers, theprimary object thereof being to provide a device for securing the hammerof the firearm to which it is attached positively in cocked positionwhenever desired.

In using a revolver, rifle, or other firearm for hunting purposes, it isoften necessary to carry the firearm cocked so as to be ready forimmediate use without the necessity of having to cock the same at theinstant it is desired to shoot. This is undesirable in most instances,because of the danger of accidental discharge. In hunting game, such asturkeys or deer, it is necessary that the hunter should crawl throughand lie quietly for hours at a time in the cold, damp underbrush. Allthis time the firearm should be cooked, as there is danger of thehunters fingers becoming so numb because of the cold that it is utterlyimpossible for him to cook the gun hurriedly when the occasion demandsand is in a prone position. It should be readily apparent that it isexceedingly undesirable, in so far as accidental discharge is concerned,to maintain the firearm cocked under such conditions. By using mysecuring or looking attachment upon any firearm, the firearm may becarried cocked for indefinite periods of time without danger ofaccidental dischar e, and its usefulness in the hunting sport should bereadily appreciated.

A further object of the invention is to provide a device of thischaracter which is constructed so as to be adapted to rest securely inits operative, locking position, and yet which may be readilymanipulated so as to assume an inoperative position out of the path ofmovement of the hammer of the firearm.

The invention consists in the features of construction, combination andarrangement of parts, hereinafter fully described and claimed, referencebeing had to the accompanying drawing, in which:

Figure 1 is a side elevation of a revolver having the attachment appliedthereto, the said attachment being shown in operative,

l locking position; Fig. 2 is a rear elevation ofthe same; Fig. 3 is atop plan view, the dotted lines representing the inoperative position ofthe locking member; and, Fig. 4: is a transverse sectional View througha portion of the revolver and the locking member, showing the means formaintaining the locking member in operative position.

In the drawing I have shown the attachment in use upon a revolver ofordinary well-known construction, but it is to be understood that thesame may be employed in connection with any sort of firearm, providedits hammer is exposed.

The attachment comprises a flat body 1 constructed of resilientmaterial, such as tempered steel, or the like. The body 1 is shown inthis particular instance, as pivotally connected at its forward end tothe frame top piece 2 of the revolver 3, by means of the verticallydisposed pivot screw 1 which is threaded into a recess 5 provided in thesaid top piece. The memher 1 is thus mounted for horizontal swingingmovement and is adapted to bear flat against the upperrface 6 of the toppiece 1, and is provided with a depending lug 7 for engagement within arecess 8 provided in said face 6, when the locking member is in itsrearwardly extending, operative position parallel to the longitudinalaxis of the barrel 9 of the firearm. The lug 7 and receiv ing recess 8have their side walls beveled so as to be substantially V-shaped, inorder that the application of pressure to the memher 1 in a lateraldirection will cause the lug to ride up onto the upper face 6 of theframe top piece, thus freeing the locking member and permitting lateraldeflection of the same. The securing lug will, however, maintain itsengagement within the said re cess so as to prevent lateral deflectionof the locking member under the ordinary conditions of usage.

The locking member extends rearwardly from the frame top piece and isprovided with a depending abutment 10 which is disposed in the path ofmovement of the hammer 11, when the locking member is in its operativeposition. In this position, the abutment 10 does not necessarily have tobe in engagement with the hammer, but is so disposed that the hammerwill strike the same, in case it is released by the accidental pullingof the trigger 12, and will in this event prevent the hammer fromstriking the firing pin of the revolver and will maintain the same inthis locked position until it is restored to cocked position by theuser. It is often desirable thatthe abutment 10 should be in spacedrelation to the hammer when the latter is cooked so that accidentaltripping of the hammer will be indicated by the click of its engagementwith the abutment,

so that the user will be aware of this conditachment of the classdescribed, which may be readily applied to revolvers, rifles, or otherfirearms, which is simple in construction, so as to be inexpensive inmanufacture,

and which will be ethcient in operation. I desire to have it understood,however, that minor changes in theconstruction, which may be founddesirable in practice, may be resorted to without departing from thescope of my invention.

What I claim is:

1. In a device of the class described, the combination with a firearmincluding a frame and a movable hammer, of a locking member pivoted tothe frame for transverse swinging movement, a locking abutment dependingfrom said member, saidabutment being adapted to be disposed in the pathof movement of the hammer when the said member is swung into operativeposition, and means carried by said member for engagement with the frameto lock the member in its operative position.

2. In a device of the class described, the combination with a firearmincluding a frame and a movable hammer, of a resilient locking memberp'ivotally connected to the frame, for transverse swinging movement, alocking abutment depending from said member and adapted to be positionedin the path of movement of the hammer when the said member is in itsoperative position, the said frame being provided with a recess, and aretaining lug provided upon said locking member for engagement withinthe recess when the member is in operative position.

3. In a device of the class described, the combination with a firearmincluding a frame and a movable hammer, of a resilient locking memberpivotally onnected to the frame for transverse swinging movement, alocking abutment depending from said member and adapted to be positionedin the path of movement of the hammer when the said member is in its 0aerative position, the said frame being provided with a recess, and asubstantially V-shaped retaining lug provided upon said locking memberfor engagement within the recess when the. member is in operativeposition.

In testimony whereof I atlix my signature in presence of two witnesses.

, LOUIS F. KUNZ.

Vitnesses: 7

JOHN A. STIMSON, Coolvnv CY RosnL'.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents.

' Washington, D. C.

